I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
Hi,
Setup:
I’m sending ble packages with around 80 Hz from an server (nrf52832 sdk 15.2) to a client device ( nrf52840 sdk 15.2)
One Ble package consist of several...
This is probably a simple question for an experienced nRF developer.
I have a demo going where I can read or write any of four characteristics I have set up on my peripheral...
Hi all, i have two units of a custom board project that i made.
In the first board, I plugged the pins in the right position as you can see in the figure below, a). nRFgo...
Hello everyone,
How to read Scan Response in contentiously in every 5 seconds in my ble_app_uart_c. i can advertise ibeacon and Scan Response data both in same code but...
I am using SDK V15.2 and opened the SES example for dtm. I modified RXD and TXD pins since i use a custom board based on the nRF52832.
When debugging the example on the...
I need to implement DFU in a Unity3D application. I have tried to integrate the Android SDK library that you have on github. They are not integrating very well.
I have a...
Hi,
I wish to have a complexity comparison of SILK and CELT (CPU usage and memory footprint) as I have an audio (speech) encoding and decoding application, I think this...
I've spent several days reading all the support tickets regarding this issue but I cannot find a resolution.
I am running the ble_central_uart example with SD 132, SES 4...
I have two nrf52 where i send a msg to one nrf52 through ble_app_uart that has SPI Master(This is working).
I am trying to configure one more nrf with ble_app_uart with...
Hi ,
how can we use different 128 Bit UUID for different read/write in pc-ble-driver-py? for example i defined three different characteristic 128 bit UUID for different...
Hi Team,
Need help on FDS module, , my need is to Read/write the some of the crypto related keys and session values to some fixed database.
we have come across the FDS...
Hi all,
Me and my team are investigating our options regarding DFU after our product has been sold to a consumer. We wish to enable DFU over USB. Whenever the device is...
Hi,
I need DFU feature on light_switch_dimming_client_nrf52832_xxAA_s132_7.0.1 example i tried including
mesh_stack_init_params_t init_params = { .core.irq_priority =...
Hello,
I have a project that seems to have a very long start-up/boot delay before jumping to the Application when the DFU is added. DFU is the BLE secure bootloader example...